A = (1, 5)
B = (-3, 5)
f = Function(0, -Infinity, 0)
e = 2.718281828459045
g = Function(2 * e^(-2 * x), 0, Infinity)
C = Point(xAxis)
D = Point(xAxis)
a = Integral(g, 0, x(D))
c_1 = 0
teksti1: "A = " + (LaTeX[a]) + ""